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Top 10 Best-Selling Kindle Unlimited Books on Amazon Right Now

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Kindle screen showing Harry Potter and the Goblet of Fire

Never run out of good books to read thanks to Kindle Unlimited! 📚

Kindle Unlimited is an Amazon service that allows subscribers to browse and read over a million eBooks, audiobooks, and current magazines for kids, teens, and adults of all ages.

And now through August 31, score 2 months of Amazon Kindle Unlimited for FREE!

Kindle Unlimited’s huge selection of titles is a book lover’s dream, and it includes many popular best-sellers from all different genres!

Here’s a look at the top 10 best-selling Kindle Unlimited books on Amazon right now!

Note that this list was current at the time of this post. Be sure to also check our Amazon Deals Page for all the latest money-saving buys!


When We Believed in Mermaids book cover on Kindle screen

1. When We Believed in Mermaids: A Novel by Barbara O’Neal

From the author of The Art of Inheriting Secrets comes an emotional new tale of two sisters, an ocean of lies, and a search for the truth. 


2. Devoted by Dean Koontz

From Dean Koontz, the master of suspense comes an epic thriller about a terrifying killer, and the singular compassion it will take to defeat him.

3. If You Tell: A True Story of Murder, Family Secrets, and the Unbreakable Bond of Sisterhood by Gregg Olsen

#1 New York Times bestselling author Gregg Olsen’s shocking and empowering true-crime story of three sisters determined to survive their mother’s house of horrors.


Last day on kindle device

4. Last Day by Luanne Rice

From celebrated New York Times, bestselling author Luanne Rice comes a riveting story of a seaside community shaken by violent crime and a tragic loss.


5. By a Thread: A Grumpy Boss Romantic Comedy by Lucy Score

A steamy, swoony workplace romantic comedy with a grumpy boss hero determined to save the day and a plucky heroine who is starting to wonder if there might actually be a beating heart just beneath her boss’s sexy vests.


dont make a sound on kindle

6. Don’t Make a Sound: A Sawyer Brooks Thriller by T.R. Ragan

Her own past could be a reporter’s biggest story in this twisting thriller about murder and family secrets by the New York Times bestselling author T.R. Ragan. 


7. Legacy of Lies: A Legal Thriller (Bocephus Haynes Book 1) by Robert Bailey

A small-town attorney takes on prejudice and corruption in this powerful legal thriller. 


Harry Potter and the Goblet of Fire on kindle

8. Harry Potter and the Goblet of Fire by J.K. Rowling

J.K. Rowling offers up equal parts danger and delight (and any number of dragons, house-elves, and death-defying challenges) as her 14-year-old hero competes in the death-defying Hogwarts’ Triwizard Tournament.


9. Harry Potter and the Order of the Phoenix by J.K. Rowling

Dark times have come to Hogwarts. After the Dementors’ attack on his cousin Dudley, Harry Potter knows that Voldemort will stop at nothing to find him. There are many who deny the Dark Lord’s return, but Harry is not alone: a secret order gathers at Grimmauld Place to fight against the Dark forces.


Kindle showing purchase screen for In An Instant

10. In an Instant by Suzanne Redfearn

A deeply moving story of carrying on even when it seems impossible.


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Comments 6

  1. Casey

    I just finished When We Believed in Mermaids. It was great!

    • Amber (Hip Sidekick)

      Glad to hear you enjoyed it, Casey! Thanks for the review!

  2. Candace

    Kindle unlimited has been sooo awesome for me. I read a book a day or every two days, so it’s nice to not pay a fortune, or go to a library all the time. I like that as long as I have my phone, I have a good book. I read Urban fantasy, and sure it’s the junk food of the literary world, but it’s like Pringles: once you pop, you can’t stop. I’ve found so many enjoyable books and great authors. Also, many of those authors Gabe away their books for free during quarantine, which was super generous!!!♥️

    • Chelsey

      Yes! I’m a fast reader too so it’s awesome to not worry about paying for books. Although I’ve fallen in traps where the first book is Kindle Unlimited and the next 8 are not. 🤣 I recently started reading books by KF Breene but I’d love any recommendations you have!

  3. Toni Grant

    I’ve read most of those! I read about 8 to 10 books a week so Kindle Unlimited is my best friend. lol My favorite off that list is In An Instant. It’s not a hugs and cuddles feeling kind of book. It’s raw and emotional but it’s excellent.

  4. Kate

    I did the free 2 months, and then when I went to cancel there was an offer to extend the free trial by a third month!

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